Observations per half-month

Each box shows the distinct current observation lines for one publication half-month. The printed value is exact; darker blue indicates a higher count on a logarithmic color scale.

0214629,973214,692

Start year

Created at 08-08-2026 20:24:07. Complete TSV table.

Year	A	B	C	D	E	F	G	H	J	K	L	M	N	O	P	Q	R	S	T	U	V	W	X	Y
1993	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	110	10	108	52	86	83	40
1994	99	85	53	113	40	39	77	55	60	67	36	76	42	25	85	161	78	40	103	6	48	17	104	27
1995	18	10	153	38	117	104	80	17	12	26	92	62	29	36	279	9	49	40	29	103	0	94	20	65
1996	129	220	319	87	7	288	78	101	33	516	47	89	50	12	50	167	58	73	113	148	56	12	58	17
1997	95	342	303	415	166	18	145	336	267	314	96	162	401	60	374	95	331	150	127	291	856	41	308	91
1998	189	263	265	70	228	491	316	1,044	556	1,354	951	1,225	575	765	438	1,441	751	1,738	671	1,278	755	1,729	704	1,426
1999	605	809	712	1,111	433	1,297	792	1,453	1,170	1,696	1,525	1,168	913	795	636	242	1,460	859	2,568	2,223	1,753	694	1,155	903
2000	1,833	664	2,314	988	2,832	1,270	1,768	1,188	2,744	836	1,459	656	1,611	1,152	2,165	2,736	2,939	3,160	1,640	2,191	1,865	2,142	2,149	1,817
2001	2,476	2,204	1,537	2,602	1,027	2,629	1,367	2,213	1,402	2,790	1,247	2,469	1,049	2,566	1,661	3,122	2,610	3,418	2,391	4,429	2,175	2,956	3,000	2,682
2002	4,586	2,260	4,288	2,827	3,807	3,696	4,034	3,010	3,415	3,152	3,658	2,847	2,441	3,243	5,485	3,948	4,318	2,895	4,991	3,980	4,224	2,623	4,329	3,540
2003	5,653	3,082	5,415	3,964	6,271	5,307	5,844	4,848	3,574	5,105	3,302	4,162	2,592	3,504	3,529	4,021	4,351	8,518	3,292	7,234	3,394	4,753	3,377	7,148
2004	4,408	4,815	3,203	3,607	3,161	6,581	4,031	6,089	4,765	5,814	4,258	5,053	2,799	4,002	4,882	5,795	7,473	6,787	5,578	3,855	5,761	3,973	7,263	7,249
2005	5,644	3,836	5,529	1,633	6,240	3,290	6,876	4,120	5,534	4,084	4,133	3,337	4,260	2,610	4,067	2,984	4,012	3,345	5,207	5,594	5,751	5,454	5,025	4,408
2006	4,190	5,404	5,249	3,181	3,269	3,956	4,487	6,988	4,043	4,703	3,264	3,583	3,039	4,751	2,954	5,001	3,922	7,117	4,738	8,084	3,201	7,742	4,957	6,800
2007	3,945	5,875	3,714	5,785	4,574	6,341	3,889	5,613	3,492	5,557	3,608	3,602	3,792	4,009	4,463	3,835	4,800	4,412	6,412	7,306	8,563	4,577	4,448	5,998
2008	6,205	6,460	8,549	4,885	8,296	4,674	5,770	4,416	6,303	3,528	4,162	3,657	6,008	4,324	5,400	4,510	5,497	6,271	7,737	9,386	4,829	7,520	6,374	7,062
2009	5,695	7,965	5,659	6,812	5,810	10,360	3,600	6,937	3,775	5,492	2,534	4,469	3,317	5,196	4,401	7,338	3,616	8,538	4,458	8,880	4,552	8,939	5,203	5,230
2010	4,269	4,121	4,163	5,994	4,745	7,460	9,054	10,738	6,280	5,611	7,435	8,006	5,280	3,409	4,341	4,292	8,735	4,627	8,063	5,660	9,327	5,604	7,846	4,140
2011	7,446	5,237	5,870	4,412	8,022	4,784	9,290	4,869	7,317	3,369	5,691	4,301	5,928	3,785	3,622	4,863	5,335	9,342	7,238	9,780	5,955	8,892	5,905	6,236
2012	5,730	10,492	4,477	10,328	6,805	13,367	6,066	7,689	4,919	7,837	5,272	6,530	4,473	8,859	6,001	8,250	7,490	8,017	8,389	10,621	8,973	7,765	10,101	6,535
2013	11,952	7,137	8,778	6,934	8,438	8,601	6,521	6,796	6,650	5,727	6,649	5,312	4,613	4,504	6,953	8,970	9,951	9,256	9,262	8,727	9,808	9,430	9,110	7,323
2014	8,751	7,836	6,437	5,250	10,877	8,447	10,145	8,382	9,010	6,734	6,398	4,736	6,829	6,318	5,583	6,383	9,347	10,304	5,127	12,850	6,989	11,643	8,759	12,322
2015	6,424	14,908	10,145	7,035	10,065	10,127	9,535	11,384	9,625	8,807	6,648	8,998	5,218	7,331	5,134	12,083	11,487	13,978	10,128	12,975	13,527	13,972	15,374	14,744
2016	11,490	8,080	13,936	17,722	11,457	13,911	11,227	11,898	9,894	11,401	8,511	7,125	9,800	14,956	6,792	9,697	9,157	6,559	10,388	17,742	10,427	7,964	8,492	10,096
2017	14,594	12,040	6,414	9,988	18,835	14,918	8,570	11,450	13,683	8,385	10,331	7,766	9,616	7,177	4,594	8,623	5,642	13,289	19,793	19,195	12,214	14,150	14,368	11,325
2018	7,643	18,779	13,214	9,521	6,525	11,745	8,118	12,625	8,379	11,800	7,833	7,237	7,715	4,812	5,968	6,157	14,017	21,934	19,875	22,283	12,729	6,344	7,150	6,484
2019	11,374	17,894	10,926	4,990	7,947	11,528	12,909	17,859	50,582	4,203	9,323	7,332	9,090	8,943	8,429	17,919	7,996	9,775	20,904	17,058	15,144	9,286	12,230	12,795
2020	20,154	21,141	16,651	12,349	10,219	15,219	14,799	23,227	9,024	25,131	10,031	12,722	10,404	14,899	14,301	21,918	15,557	18,151	22,033	25,333	14,489	20,684	16,322	15,257
2021	24,906	15,305	16,889	11,223	16,482	25,669	16,919	11,969	19,631	8,186	19,358	10,150	18,820	8,608	14,763	11,579	34,119	18,198	20,254	22,575	23,636	20,009	14,651	10,236
2022	16,770	14,697	28,977	14,356	23,921	14,634	18,473	16,421	18,749	16,545	12,983	12,289	9,188	14,440	12,491	20,737	13,080	21,441	17,137	35,616	17,312	25,796	10,542	19,751
2023	11,776	16,279	17,490	74,419	33,020	20,212	10,332	21,228	22,220	214,692	10,251	13,543	9,054	13,222	11,116	13,572	19,194	20,050	22,267	20,177	21,913	11,945	23,543	13,943
2024	21,976	17,492	14,444	15,457	15,891	11,684	16,650	11,637	19,736	13,167	14,352	9,764	13,280	10,449	14,891	11,437	23,628	12,359	25,326	21,262	20,672	14,560	21,990	23,651
2025	23,084	15,697	18,615	20,249	20,326	18,875	15,976	20,147	14,067	14,757	8,740	20,696	12,468	16,155	12,946	15,425	15,203	27,632	14,313	27,107	17,790	23,113	24,682	30,416
2026	17,943	18,071	13,772	16,252	26,312	25,507	19,370	21,084	14,254	16,560	11,800	15,777	12,968	12,841	5,757	0	0	0	0	0	0	0	0	0

Column explanations: Year is the MPEC publication year. A through Y are the 24 MPC half-month codes; I is omitted by the MPC convention. Every cell combines its exact number with color intensity.